they had the attempt to destroy the plane over detroit with the underwear bomber. we've had the attempt to try and destroy a cargo plane with a print cartridge that was created out of a bomb material. so they are active and they really pose the most dangerous threat. >> you know, this caution to americans traveling overseas. it's all well and good, but exactly how are you supposed to conduct yourself? if you're getting on a plane going overseas today or have loved ones overseas, what's the specific advice? >> well, you know, lester, really not a whole lot different than you would normally do. whenever you travel overseas, you're vigilant already. you're going to practice common sense, you're going to be smart about your safety and things like that. if you're going to travel to yemen on vacation, otherwise, most of the places you're going to go, continue to plan what you planned to do. >> is there an overabundance of caution given what happened in benghazi? >> i think we're overrotating a little bit on the benghazi angle based on what i've seen in the press. this is